CVE-2023-32256
Kernel: ksmbd race issue from smb2 close and logoff with multichannel
En bref
- Sévérité
- HIGH 7.5
- EPSS
- EPSS 0.57 % · centile 47 (2026-10-27)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Deferred
Description
A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H | redhat |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H | NVD · secalert@redhat.com (Secondary) |
Faiblesses (CWE)
Références européennes
- ENISA EUVD · EUVD-2023-36513
- GCVE · GCVE-0-2023-32256
Produits affectés
| Produit | Versions |
|---|---|
| linux | affected 0 < 5.15.145 ; affected 6.0.0 < 6.0.* ; affected 6.1.0 < 6.1.29 ; affected 6.2.0 < 6.2.16 ; affected 6.3.0 < 6.3.2 |
| Red Hat · Red Hat Enterprise Linux 10 | |
| Red Hat · Red Hat Enterprise Linux 6 | |
| Red Hat · Red Hat Enterprise Linux 7 | |
| Red Hat · Red Hat Enterprise Linux 7 | |
| Red Hat · Red Hat Enterprise Linux 8 | |
| Red Hat · Red Hat Enterprise Linux 8 | |
| Red Hat · Red Hat Enterprise Linux 9 | |
| Red Hat · Red Hat Enterprise Linux 9 |
Références
- https://access.redhat.com/security/cve/CVE-2023-32256
- https://bugzilla.redhat.com/show_bug.cgi?id=2385885
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abcc506a9a71976a8b4c9bf3ee6efd13229c1e19
- https://www.zerodayinitiative.com/advisories/ZDI-23-704/
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |